#66F39D#66F39D

#66F39D is a very light, vivid green. Relative luminance 0.694; OKLCH L 86.6% C 0.172 H 153.8°. Best body text is #000000 at 14.87:1 contrast (WCAG AA passes).

Color values

HEX	#66F39D
RGB	rgb(102, 243, 157)
HSL	hsl(143, 85%, 68%)
HSV	hsv(143, 58%, 95%)
CMYK	cmyk(58%, 0%, 35.4%, 4.7%)
CIE-LAB	lab(86.68, -56.94, 30.32)
CIE-LCH	lch(86.68, 64.51, 151.96°)
OKLab	oklab(86.55% -0.1544 0.076)
OKLCH	oklch(86.55% 0.172 153.8)
XYZ	xyz(43.6124, 69.3561, 42.9805)
Luminance	0.6936 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66F39D #F366BC

analogous

#76F366 #66F39D #66F3E3

triadic

#66F39D #9D66F3 #F39D66

tetradic

#66F39D #6676F3 #F366BC #F3E366

square

#66F39D #6676F3 #F366BC #F3E366

split-complementary

#66F39D #E366F3 #F36676

monochromatic

#10CE5A #2DEF79 #66F39D #9FF7C1 #D7FCE6

Accessibility & contrast

On white

1.41

#66F39D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.87

#66F39D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F39D

14.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66F39D	#FFFFFF	#000000	##000000
##66F39D	1.00	1.41	14.87	14.87
#FFFFFF	1.41	1.00	21.00	21.00
#000000	14.87	21.00	1.00	1.00
##000000	14.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F3E197

Deuteranopia (green-blind)

#E0D4A2

Tritanopia (blue-blind)

#37F0DD

Achromatopsia (no color)

#D9D9D9

Design tokens & code

CSS

--color: #66f39d;
/* rgb */ color: rgb(102, 243, 157);
/* oklch */ color: oklch(86.6% 0.172 153.8);

Tailwind

colors: {
  custom: {
    50: '#9df8ba',
    500: '#66f39d',
    950: '#000000',
  },
}

SCSS

$custom: #66f39d;
$custom-light: #9df8ba;
$custom-dark: #000000;

JSON

{
  "hex": "#66f39d",
  "rgb": {
    "r": 102,
    "g": 243,
    "b": 157
  },
  "hsl": {
    "h": 143.404,
    "s": 85.455,
    "l": 67.647
  },
  "oklch": {
    "l": 0.86552,
    "c": 0.17215,
    "h": 153.8
  },
  "luminance": 0.6936
}

Semantic roles & 50–950 ramp

primary

#66F39D

secondary

#CA338F

accent

#048BE2

background

#FCFFFD

surface

#F6FFF8

border

#D0D7D1

text

#0F1711

muted

#808581

Preview Lab

Preview with #66F39D

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →